Goodman a/c installed in the attic horizontally, and I need a new drain pan for the evap. All I can make of the model is AP49 since it is worn off mostly. I bought this house brand new in 2002.

Use Google and have your exact coil model number or measure it.

Example

Google (http://www.google.com/#hl=en&source=hp&q=goodman+a%2Fc+drain+pans&aq=f&aqi=&aql=&oq=&gs_rfai=&fp=25bac56246434a91)